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<head><title>TMap Designer Help - Cartographic Display</title></head>
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<h2><a name="#top">Cartographic Display</a></h2>
<p><b>Popup menu</b>
<p align="center"><img src="img/cdmenu.png"></p>
<br>The <i>Cartographic Display</i> branch opens a popmenu with following commands:
<ul>
	<li>New: resets the cartographic display window.</li>
	<li>Open: opens an existing cartographic display using the TMap Designer native format (.cdi).
	<li>Save: saves the current cartographic display.</li>		
	<li>Save as: saves a copy of the current cartographic display under a new name.</li>	
</ul>	
</p>
The <i>Apply</i> button applies the changes to the
 thematic map. General information about cartographic display
 can be found in the <a href="thematicm.htm">thematic map</a> description. TMap Designer offers 4 types of cartographic display:<br><br>

<b>Color/pattern (choroplethic)</b>
<p align="center"><br>&nbsp;<img src="img/choro.png"></p>
Distributes data into ranges. Assign a color/pattern to each range.<br>

<p align="center"><img src="img/chorodata.png">&nbsp;&nbsp;<img src="img/chorobin.png"></p>
<p>The data window column representing the polygon name must be selected using the <i>join
 ID column</i> combo box. The data window column containing data to be represented by the thematic 
 map must be selected using the <i>data column</i> combo box. The <i>attributes classification</i>
 combo box stands for selecting the data distribution into ranges as follows:
<ul>
<li>Equal step: equal distance between range breaks. Useful when enumeration areas are of equal size.</li>
<li>Quantiles: equal number of observations in each range. Range intervals can be dramatically different in size.</li>
<li>User-defined break: a user-defined way of classifying data.</li>
</ul>
<i># bins</i> is used to define the number of ranges. <i>Assign missing data and all others to bin #</i> 
represents the range to use for missing data. The <i>ranges</i> table contains the following columns:
<ul>
<li>From: start value for the range. Editable for <i>user-defined break</i> classification only.</li>
<li>To: end value for the range. Data value must be strictly smaller than this value to be included into the range. Editable for <i>user-defined break</i> classification only.</li>
<li>Color: user can select a color for this range.</li>
<li>Pattern: user can select a pattern for this range.</li>
</ul><br>
</p>

<b>Proportional symbols</b>
<p align="center"><br>&nbsp;<img src="img/prop.png"></p>
The selected symbol size varies in proportion to the quantities the symbol represents.
<p align="center"><img src="img/propcd.png"></p>
<p>The data window column representing the polygon name must be selected using the <i>join
 ID column</i> combo box. The data window column containing data to be represented by the thematic 
 map must be selected using the <i>data column</i> combo box. The <i>shape</i> combo box selects
 the symbol to display (cross, circle, etc...). <i>Scaling factor</i> allows the user to vary
 the size of the symbols. <i>Fill pattern</i> and <i>color</i> combo boxes alter the aspect of the symbols.
<br></p>

<br><b>Random dot density</b>
<p align="center"><br>&nbsp;<img src="img/random.png"></p>
Associates one dot to X number of cases.
<p align="center"><img src="img/randomcd.png"></p>
<p>The data window column representing the polygon name must be selected using the <i>join
 ID column</i> combo box. The data window column containing data to be represented by the thematic 
 map must be selected using the <i>data column</i> combo box. The <i># of units per symbol</i> 
 defines the value represented by one dot. For instance, a value of 20 with a # of units per symbol
 of 10 will display 2 dots. <i>Point size</i> and <i>color</i> varies the aspect of 
 the dots.
<br></p>

<br><b>Point</b>
<p align="center"><br>&nbsp;<img src="img/point.png"></p>
Points are defined by their X & Y coordinates on the base map. Symbols are used to display the points.
<p align="center"><img src="img/pointcd.png"></p>
<p>The <i>X & Y columns</i> represent the points' coordinates in the data window must be selected. 
The <i>Descriptor column</i> stores the point description. The <i>scaling factor</i>, <i>symbol</i>, <i>color</i> 
& <i>fill pattern</i> and <i>size column</i> are used to vary the aspect of the symbols. The <i>Mapping type</i> column
offers 4 types of mapping:
<ul>
<li>Basic: displays a common symbol (shape, color/pattern, size) per point.</li>
<li>Data driven size: displays a common symbol (shape, color/pattern) per point, the size is driven by the <i>size column</i> (like in proportional symbols).</li>
<li>Data driven symbol: displays a symbol per point where the symbol type is user-definable per discrete value (shape, color/pattern, size).</li>
<li>Data driven symbol & size: displays a symbol per point where the symbol type is user-definable per discrete value (shape, color/pattern). Size is driven by the <i>size column</i> (like in proportional symbols).</li>
</ul>
<br></p>


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